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feat: add oidc4vci protocol MVP (#1182)
Signed-off-by: Pat Losoponkul <[email protected]> Co-authored-by: Yurii Shynbuiev <[email protected]>
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90
...rver/src/main/scala/org/hyperledger/identus/iam/authentication/Oid4vciAuthenticator.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package org.hyperledger.identus.iam.authentication | ||
|
|
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| import org.hyperledger.identus.agent.walletapi.model.{BaseEntity, EntityRole} | ||
| import org.hyperledger.identus.iam.authentication.oidc.{ | ||
| AccessToken, | ||
| JwtAuthenticationError, | ||
| JwtCredentials, | ||
| Oauth2TokenIntrospector, | ||
| RemoteOauth2TokenIntrospector | ||
| } | ||
| import org.hyperledger.identus.oid4vci.service.OIDCCredentialIssuerService | ||
| import org.hyperledger.identus.pollux.core.service.OID4VCIIssuerMetadataService | ||
| import zio.* | ||
| import zio.http.Client | ||
|
|
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| import java.util.UUID | ||
|
|
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| final case class ExternalEntity(id: UUID) extends BaseEntity { | ||
| override def role: Either[String, EntityRole] = Right(EntityRole.ExternalParty) | ||
| } | ||
|
|
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| case class Oid4vciAuthenticator(tokenIntrospector: Oauth2TokenIntrospector) extends Authenticator[ExternalEntity] { | ||
|
|
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| override def isEnabled: Boolean = true | ||
|
|
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| def authenticate(credentials: Credentials): IO[AuthenticationError, ExternalEntity] = { | ||
| credentials match { | ||
| case JwtCredentials(Some(token)) if token.nonEmpty => authenticate(token) | ||
| case JwtCredentials(Some(_)) => ZIO.fail(JwtAuthenticationError.emptyToken) | ||
| case JwtCredentials(None) => ZIO.fail(AuthenticationError.InvalidCredentials("Bearer token is not provided")) | ||
| case other => ZIO.fail(AuthenticationError.InvalidCredentials("Bearer token is not provided")) | ||
| } | ||
| } | ||
|
|
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| private def authenticate(token: String): IO[AuthenticationError, ExternalEntity] = { | ||
| for { | ||
| accessToken <- ZIO | ||
| .fromEither(AccessToken.fromString(token)) | ||
| .mapError(AuthenticationError.InvalidCredentials.apply) | ||
| introspection <- tokenIntrospector | ||
| .introspectToken(accessToken) | ||
| .mapError(e => AuthenticationError.UnexpectedError(e.getMessage)) | ||
| _ <- ZIO | ||
| .fail(AuthenticationError.InvalidCredentials("The accessToken is invalid.")) | ||
| .unless(introspection.active) | ||
| entityId <- ZIO | ||
| .fromOption(introspection.sub) | ||
| .mapError(_ => AuthenticationError.UnexpectedError("Subject ID is not found in the accessToken.")) | ||
| .flatMap { id => | ||
| ZIO | ||
| .attempt(UUID.fromString(id)) | ||
| .mapError(e => AuthenticationError.UnexpectedError(s"Subject ID in accessToken is not a UUID. $e")) | ||
| } | ||
| } yield ExternalEntity(entityId) | ||
| } | ||
| } | ||
|
|
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| class Oid4vciAuthenticatorFactory( | ||
| httpClient: Client, | ||
| issuerService: OIDCCredentialIssuerService, | ||
| metadataService: OID4VCIIssuerMetadataService | ||
| ) { | ||
| def make(issuerState: String): IO[AuthenticationError, Oid4vciAuthenticator] = | ||
| issuerService | ||
| .getIssuanceSessionByIssuerState(issuerState) | ||
| .mapError(e => | ||
| AuthenticationError.UnexpectedError(s"Unable to get issuanceSession from issuerState: $issuerState") | ||
| ) | ||
| .flatMap(session => make(session.issuerId)) | ||
|
|
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| def make(issuerId: UUID): IO[AuthenticationError, Oid4vciAuthenticator] = | ||
| for { | ||
| issuer <- metadataService | ||
| .getCredentialIssuer(issuerId) | ||
| .mapError(e => AuthenticationError.UnexpectedError(s"Unable to get issuer from issuerId: $issuerId")) | ||
| tokenIntrospector <- RemoteOauth2TokenIntrospector | ||
| .fromAuthorizationServer( | ||
| httpClient, | ||
| issuer.authorizationServer, | ||
| issuer.authorizationServerClientId, | ||
| issuer.authorizationServerClientSecret | ||
| ) | ||
| .mapError(e => AuthenticationError.UnexpectedError(s"Unable to create token introspector: $e")) | ||
| } yield Oid4vciAuthenticator(tokenIntrospector) | ||
| } | ||
|
|
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| object Oid4vciAuthenticatorFactory { | ||
| def layer: URLayer[Client & OIDCCredentialIssuerService & OID4VCIIssuerMetadataService, Oid4vciAuthenticatorFactory] = | ||
| ZLayer.fromFunction(Oid4vciAuthenticatorFactory(_, _, _)) | ||
| } |
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